apply_filters( 'postmeta_form_keys', array|null $keys, WP_Post $post )

Filters values for the meta key dropdown in the Custom Fields meta box.


Description

Returning a non-null value will effectively short-circuit and avoid a potentially expensive query against postmeta.


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Parameters

$keys array|null
Pre-defined meta keys to be used in place of a postmeta query. Default null.
$post WP_Post
The current post object.

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Source

File: wp-admin/includes/template.php. View all references

$keys = apply_filters( 'postmeta_form_keys', null, $post );


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Changelog

Changelog
Version Description
4.4.0 Introduced.

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